From a31d3c4b8806470f19d522a08432d6fb587261ab Mon Sep 17 00:00:00 2001
From: Jan Laupetin <jan@laupetin.net>
Date: Sun, 3 May 2026 15:56:09 +0200
Subject: [PATCH] fix: iw4 physpreset uses FLT_MAX as infinite friction

---
 .../Game/IW4/PhysPreset/InfoStringLoaderPhysPresetIW4.cpp       | 2 +-
 .../Game/IW4/PhysPreset/PhysPresetInfoStringDumperIW4.cpp       | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/ObjLoading/Game/IW4/PhysPreset/InfoStringLoaderPhysPresetIW4.cpp b/src/ObjLoading/Game/IW4/PhysPreset/InfoStringLoaderPhysPresetIW4.cpp
index 159fbd88..c71d4726 100644
--- a/src/ObjLoading/Game/IW4/PhysPreset/InfoStringLoaderPhysPresetIW4.cpp
+++ b/src/ObjLoading/Game/IW4/PhysPreset/InfoStringLoaderPhysPresetIW4.cpp
@@ -45,7 +45,7 @@ namespace
         physPreset.bounce = physPresetInfo.bounce;
 
         if (physPresetInfo.isFrictionInfinity != 0)
-            physPreset.friction = std::numeric_limits<float>::infinity();
+            physPreset.friction = std::numeric_limits<float>::max();
         else
             physPreset.friction = physPresetInfo.friction;
 
diff --git a/src/ObjWriting/Game/IW4/PhysPreset/PhysPresetInfoStringDumperIW4.cpp b/src/ObjWriting/Game/IW4/PhysPreset/PhysPresetInfoStringDumperIW4.cpp
index 7df7ebee..bd734f92 100644
--- a/src/ObjWriting/Game/IW4/PhysPreset/PhysPresetInfoStringDumperIW4.cpp
+++ b/src/ObjWriting/Game/IW4/PhysPreset/PhysPresetInfoStringDumperIW4.cpp
@@ -37,7 +37,7 @@ namespace
         physPresetInfo->mass = physPreset->mass;
         physPresetInfo->bounce = physPreset->bounce;
 
-        if (std::isinf(physPreset->friction))
+        if (physPreset->friction >= std::numeric_limits<float>::max())
         {
             physPresetInfo->isFrictionInfinity = 1;
             physPresetInfo->friction = 0;